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Comfort Zone's most potent active — a 1.5% pure retinol booster in a squalane base that professionals use as the heavy-hitter in spa anti-aging protocols. The concentration is serious: 1.5% retinol is higher than most consumer retinol products (The Ordinary's strongest is 1%) and sits in the territory typically reserved for dermatologist-dispensed products. The squalane carrier serves a dual purpose — stabilizing the retinol against oxidation while providing emollient hydration that offsets retinol's drying effect. Rosemary extract and vitamin E add antioxidant protection. The 'booster' format means 2–3 drops mixed into your existing moisturizer or serum, which gives flexible dosing: start with one drop every other night, build to three drops nightly. At ~€88 (~$98) for 25ml, it's premium — but the concentration means a bottle lasts 3–4 months of nightly use. This is the product that spa therapists reach for when clients are ready to graduate from retinol alternatives to the real thing.
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Skin Regimen 1.5 Retinol Booster by Comfort Zone is formulated for normal, combination, mature skin. Comfort Zone's most potent active — a 1.5% pure retinol booster in a squalane base that professionals use as the heavy-hitter in spa anti-aging protocols. The concentration is serious: 1.5% retinol is higher than most consumer retinol products (The Ordinary's strongest is 1%) and sits in the territory typically reserved for dermatologist-dispensed products. The squalane carrier serves a dual purpose — stabilizing the retinol against oxidation while providing emollient hydration that offsets retinol's drying effect. Rosemary extract and vitamin E add antioxidant protection. The 'booster' format means 2–3 drops mixed into your existing moisturizer or serum, which gives flexible dosing: start with one drop every other night, build to three drops nightly. At ~€88 (~$98) for 25ml, it's premium — but the concentration means a bottle lasts 3–4 months of nightly use. This is the product that spa therapists reach for when clients are ready to graduate from retinol alternatives to the real thing.
The key active ingredients in Skin Regimen 1.5 Retinol Booster are Retinol, Squalane, Vitamin E (Tocopherol). It's known for: 1.5% pure retinol — higher than most consumer products, spa-professional grade and squalane base stabilizes retinol while providing hydration to offset drying.
Yes, Skin Regimen 1.5 Retinol Booster targets fine lines, dullness, hyperpigmentation. 1.5% pure retinol — higher than most consumer products, spa-professional grade
Skin Regimen 1.5 Retinol Booster retails for around $98, which places it in the premium range for serums. Check the "Where to Buy" section above for current retailer prices.
The main drawbacks to be aware of: 1.5% retinol is too strong for retinol beginners — start with 0.3–0.5% first; ~$98 is premium pricing even for a clinical-grade retinol; the oil-serum texture may not suit oily skin types.
A suggested daily routine featuring this product, with complementary picks.
